JEE Main Chemistry question

Nucleotides and nucleosides mainly differ from each other in:

(A)Presence of phosphate unitsCorrect
(B)Presence of base units
(C)Presence of nucleic acids
(D)None of the above

Answer: (A)

Solution

Both nucleotides and nucleosides contain a base and a sugar, but a nucleotide additionally carries a phosphate group esterified to the sugar, which a nucleoside lacks.

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Question ID VK-150913